Bulb rhizomatous, narrowly ovoid, 2.5–4 × 2–3.5 cm; basal plate 1–2 cm; neck 3.5–7 cm; tunic grayish brown. Leaves deciduous, 3–5, nearly erect, 2.8–4.8 dm × 1.8–2.7 cm, coriaceous; blade lustrous green, liguliform, distinctly channeled, apex acute. Scape 3–4.5 dm, 2-edged, glaucous; scape bracts 2, enclosing buds, 3–4.5 cm × 10–15 mm; subtending floral bracts 2.5–4.5 cm × 5–12 mm. Flowers 2–3, opening sequentially, moderately fragrant; perianth tube green, 6.5–9 cm; tepals slightly ascending, white, tinged green on keel, 8.8–11.5 cm × 5–7 mm; corona white with small, yellowish green proximal eye, funnelform at full anthesis, then spreading with age, shortly tubulose proximally, 3–4 × 4–5.5 cm, margins between free portions of filaments with irregularly dentate projections; free portions of filaments inserted on flat sinal base, suberect, white, 2.5–3.5 cm; anthers 1.5–1.8 cm, pollen golden; ovary ovoid, 1–1.5 cm × 5 mm, ovules 2–3 per locule; style green in distal 1/2, fading to white proximally, 14–17 cm. Capsules subglobose, 2–2.5 × 2–2.5 cm. Seeds obovoid, 1.6–2 × 1.2–1.5 cm. 2n = 43, 44.
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